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Metal‐Free Synthesis of Selenodihydronaphthalenes by Selenoxide‐Mediated Electrophilic Cyclization of Alkynes
Author(s) -
An Shaoyu,
Zhang Zhong,
Li Pingfan
Publication year - 2021
Publication title -
european journal of organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 1434-193X
DOI - 10.1002/ejoc.202100423
Subject(s) - chemistry , electrophile , selenium , organic chemistry , coumarin , electrophilic substitution , trifluoroacetic anhydride , electrophilic addition , combinatorial chemistry , catalysis
A transition‐metal‐free, selenium mediated electrophilic cyclization reaction was realized through a one‐pot procedure between simple alkynes and triflic anhydride‐activated selenoxides to give selenium containing dihydronaphthalene products. This method gave good to very high yields for all products, including selenium‐substituted phenanthrene, dihydroquinoline, 2 H ‐chromene, and coumarin, which can be further transformed to other functionalized compounds.
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